docs: def get_chunk_coords(self):
          """
          Return the x,z coordinates and length of the chunks that are defined in te regionfile.
          This includes chunks which may not be readable for whatever reason.
          
          This method is deprecated. Use :meth:`get_metadata` instead.
          """
          chunks = []
          for x in range(32):
              for z in range(32):
                  m = self.metadata[x,z]
                  if m.is_created():
                      chunks.append({'x': x, 'z': z, 'length': m.blocklength})
          return chunks